{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "cell type", "RNA", "protein", "DNA"], "input": "We have conducted functional studies of the enhancer elements of human T-cell leukemia virus type I ( HTLV-I ) using the human T-cell lines Jurkat and MOLT 4 , which are negative for HTLV-I , and MT-2 and TL-Mor , which carry the proviral genome of HTLV-I ."}
{"cell line": ["human T-cell lines", "Jurkat", "MOLT 4"], "cell type": [], "RNA": [], "protein": [], "DNA": ["enhancer elements"]}